Home / 155,032.56-232,506.30-42,686.40

Finding the Fourth Proportional to 155,032.56, 232,506.30 and 42,686.40

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Solution

The fourth proportional to 155,032.56, 232,506.30 and 42,686.40 is: 64,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,032.56 : 232,506.30 = 42,686.40 : x
  2. Step 2: Convert to fraction form
    155,032.56/232,506.30 = 42,686.40/x
  3. Step 3: Cross multiply
    155,032.56x = 232,506.30 × 42,686.40
  4. Step 4: Simplify right side
    155,032.56x = 9,924,856,924.32
  5. Step 5: Solve for x
    x = 9,924,856,924.32/155,032.56
  6. Step 6: Final answer
    x = 64,017.89

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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.