Home / 159,642.28-220,307.88-88,025.16

Finding the Fourth Proportional to 159,642.28, 220,307.88 and 88,025.16

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Solution

The fourth proportional to 159,642.28, 220,307.88 and 88,025.16 is: 121,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,642.28 : 220,307.88 = 88,025.16 : x
  2. Step 2: Convert to fraction form
    159,642.28/220,307.88 = 88,025.16/x
  3. Step 3: Cross multiply
    159,642.28x = 220,307.88 × 88,025.16
  4. Step 4: Simplify right side
    159,642.28x = 19,392,636,386.26
  5. Step 5: Solve for x
    x = 19,392,636,386.26/159,642.28
  6. Step 6: Final answer
    x = 121,475.57

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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.