Home / 112,931.28-169,397.64-34,045.20

Finding the Fourth Proportional to 112,931.28, 169,397.64 and 34,045.20

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Solution

The fourth proportional to 112,931.28, 169,397.64 and 34,045.20 is: 51,068.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,931.28 : 169,397.64 = 34,045.20 : x
  2. Step 2: Convert to fraction form
    112,931.28/169,397.64 = 34,045.20/x
  3. Step 3: Cross multiply
    112,931.28x = 169,397.64 × 34,045.20
  4. Step 4: Simplify right side
    112,931.28x = 5,767,176,533.33
  5. Step 5: Solve for x
    x = 5,767,176,533.33/112,931.28
  6. Step 6: Final answer
    x = 51,068.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.