Home / 147,594.02-221,412.90-77,478.80

Finding the Fourth Proportional to 147,594.02, 221,412.90 and 77,478.80

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Solution

The fourth proportional to 147,594.02, 221,412.90 and 77,478.80 is: 116,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,594.02 : 221,412.90 = 77,478.80 : x
  2. Step 2: Convert to fraction form
    147,594.02/221,412.90 = 77,478.80/x
  3. Step 3: Cross multiply
    147,594.02x = 221,412.90 × 77,478.80
  4. Step 4: Simplify right side
    147,594.02x = 17,154,805,796.52
  5. Step 5: Solve for x
    x = 17,154,805,796.52/147,594.02
  6. Step 6: Final answer
    x = 116,229.68

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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.