Home / 145,881.24-218,851.35-61,641.65

Finding the Fourth Proportional to 145,881.24, 218,851.35 and 61,641.65

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Solution

The fourth proportional to 145,881.24, 218,851.35 and 61,641.65 is: 92,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,881.24 : 218,851.35 = 61,641.65 : x
  2. Step 2: Convert to fraction form
    145,881.24/218,851.35 = 61,641.65/x
  3. Step 3: Cross multiply
    145,881.24x = 218,851.35 × 61,641.65
  4. Step 4: Simplify right side
    145,881.24x = 13,490,357,224.47
  5. Step 5: Solve for x
    x = 13,490,357,224.47/145,881.24
  6. Step 6: Final answer
    x = 92,474.93

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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.