Home / 141,965.60-212,948.40-42,141.20

Finding the Fourth Proportional to 141,965.60, 212,948.40 and 42,141.20

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Solution

The fourth proportional to 141,965.60, 212,948.40 and 42,141.20 is: 63,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,965.60 : 212,948.40 = 42,141.20 : x
  2. Step 2: Convert to fraction form
    141,965.60/212,948.40 = 42,141.20/x
  3. Step 3: Cross multiply
    141,965.60x = 212,948.40 × 42,141.20
  4. Step 4: Simplify right side
    141,965.60x = 8,973,901,114.08
  5. Step 5: Solve for x
    x = 8,973,901,114.08/141,965.60
  6. Step 6: Final answer
    x = 63,211.80

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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.