Home / 109,547.52-151,140.24-86,504.19

Finding the Fourth Proportional to 109,547.52, 151,140.24 and 86,504.19

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Solution

The fourth proportional to 109,547.52, 151,140.24 and 86,504.19 is: 119,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,547.52 : 151,140.24 = 86,504.19 : x
  2. Step 2: Convert to fraction form
    109,547.52/151,140.24 = 86,504.19/x
  3. Step 3: Cross multiply
    109,547.52x = 151,140.24 × 86,504.19
  4. Step 4: Simplify right side
    109,547.52x = 13,074,264,037.61
  5. Step 5: Solve for x
    x = 13,074,264,037.61/109,547.52
  6. Step 6: Final answer
    x = 119,347.88

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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.