Home / 147,548.06-221,386.98-77,410.88

Finding the Fourth Proportional to 147,548.06, 221,386.98 and 77,410.88

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Solution

The fourth proportional to 147,548.06, 221,386.98 and 77,410.88 is: 116,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,548.06 : 221,386.98 = 77,410.88 : x
  2. Step 2: Convert to fraction form
    147,548.06/221,386.98 = 77,410.88/x
  3. Step 3: Cross multiply
    147,548.06x = 221,386.98 × 77,410.88
  4. Step 4: Simplify right side
    147,548.06x = 17,137,760,942.34
  5. Step 5: Solve for x
    x = 17,137,760,942.34/147,548.06
  6. Step 6: Final answer
    x = 116,150.36

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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.