Home / 157,217.60-235,826.40-52,047.20

Finding the Fourth Proportional to 157,217.60, 235,826.40 and 52,047.20

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Solution

The fourth proportional to 157,217.60, 235,826.40 and 52,047.20 is: 78,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,217.60 : 235,826.40 = 52,047.20 : x
  2. Step 2: Convert to fraction form
    157,217.60/235,826.40 = 52,047.20/x
  3. Step 3: Cross multiply
    157,217.60x = 235,826.40 × 52,047.20
  4. Step 4: Simplify right side
    157,217.60x = 12,274,103,806.08
  5. Step 5: Solve for x
    x = 12,274,103,806.08/157,217.60
  6. Step 6: Final answer
    x = 78,070.80

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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.