Home / 153,148.02-211,346.76-84,240.20

Finding the Fourth Proportional to 153,148.02, 211,346.76 and 84,240.20

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Solution

The fourth proportional to 153,148.02, 211,346.76 and 84,240.20 is: 116,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,148.02 : 211,346.76 = 84,240.20 : x
  2. Step 2: Convert to fraction form
    153,148.02/211,346.76 = 84,240.20/x
  3. Step 3: Cross multiply
    153,148.02x = 211,346.76 × 84,240.20
  4. Step 4: Simplify right side
    153,148.02x = 17,803,893,331.75
  5. Step 5: Solve for x
    x = 17,803,893,331.75/153,148.02
  6. Step 6: Final answer
    x = 116,252.85

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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.