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Finding the Fourth Proportional to 141,345.60, 212,018.40 and 62,419.20

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Solution

The fourth proportional to 141,345.60, 212,018.40 and 62,419.20 is: 93,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,345.60 : 212,018.40 = 62,419.20 : x
  2. Step 2: Convert to fraction form
    141,345.60/212,018.40 = 62,419.20/x
  3. Step 3: Cross multiply
    141,345.60x = 212,018.40 × 62,419.20
  4. Step 4: Simplify right side
    141,345.60x = 13,234,018,913.28
  5. Step 5: Solve for x
    x = 13,234,018,913.28/141,345.60
  6. Step 6: Final answer
    x = 93,628.80

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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.