Home / 155,435.52-232,953.60-66,666.24

Finding the Fourth Proportional to 155,435.52, 232,953.60 and 66,666.24

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Solution

The fourth proportional to 155,435.52, 232,953.60 and 66,666.24 is: 99,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,435.52 : 232,953.60 = 66,666.24 : x
  2. Step 2: Convert to fraction form
    155,435.52/232,953.60 = 66,666.24/x
  3. Step 3: Cross multiply
    155,435.52x = 232,953.60 × 66,666.24
  4. Step 4: Simplify right side
    155,435.52x = 15,530,140,606.46
  5. Step 5: Solve for x
    x = 15,530,140,606.46/155,435.52
  6. Step 6: Final answer
    x = 99,913.72

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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.