Home / 145,781.02-218,684.05-40,599.98

Finding the Fourth Proportional to 145,781.02, 218,684.05 and 40,599.98

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Solution

The fourth proportional to 145,781.02, 218,684.05 and 40,599.98 is: 60,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,781.02 : 218,684.05 = 40,599.98 : x
  2. Step 2: Convert to fraction form
    145,781.02/218,684.05 = 40,599.98/x
  3. Step 3: Cross multiply
    145,781.02x = 218,684.05 × 40,599.98
  4. Step 4: Simplify right side
    145,781.02x = 8,878,569,139.94
  5. Step 5: Solve for x
    x = 8,878,569,139.94/145,781.02
  6. Step 6: Final answer
    x = 60,903.47

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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.