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Finding the Fourth Proportional to 173,840.20, 239,904.76 and 97,359.10

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Solution

The fourth proportional to 173,840.20, 239,904.76 and 97,359.10 is: 134,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,840.20 : 239,904.76 = 97,359.10 : x
  2. Step 2: Convert to fraction form
    173,840.20/239,904.76 = 97,359.10/x
  3. Step 3: Cross multiply
    173,840.20x = 239,904.76 × 97,359.10
  4. Step 4: Simplify right side
    173,840.20x = 23,356,911,519.32
  5. Step 5: Solve for x
    x = 23,356,911,519.32/173,840.20
  6. Step 6: Final answer
    x = 134,358.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.