Home / 155,325.72-232,840.92-99,007.72

Finding the Fourth Proportional to 155,325.72, 232,840.92 and 99,007.72

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Solution

The fourth proportional to 155,325.72, 232,840.92 and 99,007.72 is: 148,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,325.72 : 232,840.92 = 99,007.72 : x
  2. Step 2: Convert to fraction form
    155,325.72/232,840.92 = 99,007.72/x
  3. Step 3: Cross multiply
    155,325.72x = 232,840.92 × 99,007.72
  4. Step 4: Simplify right side
    155,325.72x = 23,053,048,611.90
  5. Step 5: Solve for x
    x = 23,053,048,611.90/155,325.72
  6. Step 6: Final answer
    x = 148,417.46

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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.