Home / 156,947.20-235,420.80-144,966.40

Finding the Fourth Proportional to 156,947.20, 235,420.80 and 144,966.40

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Solution

The fourth proportional to 156,947.20, 235,420.80 and 144,966.40 is: 217,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,947.20 : 235,420.80 = 144,966.40 : x
  2. Step 2: Convert to fraction form
    156,947.20/235,420.80 = 144,966.40/x
  3. Step 3: Cross multiply
    156,947.20x = 235,420.80 × 144,966.40
  4. Step 4: Simplify right side
    156,947.20x = 34,128,105,861.12
  5. Step 5: Solve for x
    x = 34,128,105,861.12/156,947.20
  6. Step 6: Final answer
    x = 217,449.60

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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.