Home / 115,432.16-159,298.88-63,749.10

Finding the Fourth Proportional to 115,432.16, 159,298.88 and 63,749.10

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Solution

The fourth proportional to 115,432.16, 159,298.88 and 63,749.10 is: 87,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,432.16 : 159,298.88 = 63,749.10 : x
  2. Step 2: Convert to fraction form
    115,432.16/159,298.88 = 63,749.10/x
  3. Step 3: Cross multiply
    115,432.16x = 159,298.88 × 63,749.10
  4. Step 4: Simplify right side
    115,432.16x = 10,155,160,231.01
  5. Step 5: Solve for x
    x = 10,155,160,231.01/115,432.16
  6. Step 6: Final answer
    x = 87,975.14

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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.