Home / 147,387.19-221,127.51-52,615.34

Finding the Fourth Proportional to 147,387.19, 221,127.51 and 52,615.34

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Solution

The fourth proportional to 147,387.19, 221,127.51 and 52,615.34 is: 78,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,387.19 : 221,127.51 = 52,615.34 : x
  2. Step 2: Convert to fraction form
    147,387.19/221,127.51 = 52,615.34/x
  3. Step 3: Cross multiply
    147,387.19x = 221,127.51 × 52,615.34
  4. Step 4: Simplify right side
    147,387.19x = 11,634,699,122.00
  5. Step 5: Solve for x
    x = 11,634,699,122.00/147,387.19
  6. Step 6: Final answer
    x = 78,939.69

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1.5x scale

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.