Home / 113,332.32-169,670.02-85,370.10

Finding the Fourth Proportional to 113,332.32, 169,670.02 and 85,370.10

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Solution

The fourth proportional to 113,332.32, 169,670.02 and 85,370.10 is: 127,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,332.32 : 169,670.02 = 85,370.10 : x
  2. Step 2: Convert to fraction form
    113,332.32/169,670.02 = 85,370.10/x
  3. Step 3: Cross multiply
    113,332.32x = 169,670.02 × 85,370.10
  4. Step 4: Simplify right side
    113,332.32x = 14,484,746,574.40
  5. Step 5: Solve for x
    x = 14,484,746,574.40/113,332.32
  6. Step 6: Final answer
    x = 127,807.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.