Home / 110,929.26-153,152.54-85,387.61

Finding the Fourth Proportional to 110,929.26, 153,152.54 and 85,387.61

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Solution

The fourth proportional to 110,929.26, 153,152.54 and 85,387.61 is: 117,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,929.26 : 153,152.54 = 85,387.61 : x
  2. Step 2: Convert to fraction form
    110,929.26/153,152.54 = 85,387.61/x
  3. Step 3: Cross multiply
    110,929.26x = 153,152.54 × 85,387.61
  4. Step 4: Simplify right side
    110,929.26x = 13,077,329,952.38
  5. Step 5: Solve for x
    x = 13,077,329,952.38/110,929.26
  6. Step 6: Final answer
    x = 117,888.91

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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.