Home / 141,909.68-212,865.36-42,070.74

Finding the Fourth Proportional to 141,909.68, 212,865.36 and 42,070.74

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Solution

The fourth proportional to 141,909.68, 212,865.36 and 42,070.74 is: 63,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,909.68 : 212,865.36 = 42,070.74 : x
  2. Step 2: Convert to fraction form
    141,909.68/212,865.36 = 42,070.74/x
  3. Step 3: Cross multiply
    141,909.68x = 212,865.36 × 42,070.74
  4. Step 4: Simplify right side
    141,909.68x = 8,955,403,215.57
  5. Step 5: Solve for x
    x = 8,955,403,215.57/141,909.68
  6. Step 6: Final answer
    x = 63,106.36

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1.5x scale

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.