Home / 145,871.04-218,807.52-52,377.60

Finding the Fourth Proportional to 145,871.04, 218,807.52 and 52,377.60

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Solution

The fourth proportional to 145,871.04, 218,807.52 and 52,377.60 is: 78,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,871.04 : 218,807.52 = 52,377.60 : x
  2. Step 2: Convert to fraction form
    145,871.04/218,807.52 = 52,377.60/x
  3. Step 3: Cross multiply
    145,871.04x = 218,807.52 × 52,377.60
  4. Step 4: Simplify right side
    145,871.04x = 11,460,612,759.55
  5. Step 5: Solve for x
    x = 11,460,612,759.55/145,871.04
  6. Step 6: Final answer
    x = 78,566.74

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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.