Home / 112,516.25-155,275.12-64,117.14

Finding the Fourth Proportional to 112,516.25, 155,275.12 and 64,117.14

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Solution

The fourth proportional to 112,516.25, 155,275.12 and 64,117.14 is: 88,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,516.25 : 155,275.12 = 64,117.14 : x
  2. Step 2: Convert to fraction form
    112,516.25/155,275.12 = 64,117.14/x
  3. Step 3: Cross multiply
    112,516.25x = 155,275.12 × 64,117.14
  4. Step 4: Simplify right side
    112,516.25x = 9,955,796,109.41
  5. Step 5: Solve for x
    x = 9,955,796,109.41/112,516.25
  6. Step 6: Final answer
    x = 88,483.19

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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.