Home / 147,597.02-221,417.40-77,481.80

Finding the Fourth Proportional to 147,597.02, 221,417.40 and 77,481.80

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Solution

The fourth proportional to 147,597.02, 221,417.40 and 77,481.80 is: 116,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,597.02 : 221,417.40 = 77,481.80 : x
  2. Step 2: Convert to fraction form
    147,597.02/221,417.40 = 77,481.80/x
  3. Step 3: Cross multiply
    147,597.02x = 221,417.40 × 77,481.80
  4. Step 4: Simplify right side
    147,597.02x = 17,155,818,703.32
  5. Step 5: Solve for x
    x = 17,155,818,703.32/147,597.02
  6. Step 6: Final answer
    x = 116,234.18

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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.