Home / 151,119.24-208,547.10-83,141.88

Finding the Fourth Proportional to 151,119.24, 208,547.10 and 83,141.88

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Solution

The fourth proportional to 151,119.24, 208,547.10 and 83,141.88 is: 114,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,119.24 : 208,547.10 = 83,141.88 : x
  2. Step 2: Convert to fraction form
    151,119.24/208,547.10 = 83,141.88/x
  3. Step 3: Cross multiply
    151,119.24x = 208,547.10 × 83,141.88
  4. Step 4: Simplify right side
    151,119.24x = 17,338,997,962.55
  5. Step 5: Solve for x
    x = 17,338,997,962.55/151,119.24
  6. Step 6: Final answer
    x = 114,737.20

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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.