Home / 127,577.19-191,147.08-90,070.14

Finding the Fourth Proportional to 127,577.19, 191,147.08 and 90,070.14

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Solution

The fourth proportional to 127,577.19, 191,147.08 and 90,070.14 is: 134,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,577.19 : 191,147.08 = 90,070.14 : x
  2. Step 2: Convert to fraction form
    127,577.19/191,147.08 = 90,070.14/x
  3. Step 3: Cross multiply
    127,577.19x = 191,147.08 × 90,070.14
  4. Step 4: Simplify right side
    127,577.19x = 17,216,643,314.21
  5. Step 5: Solve for x
    x = 17,216,643,314.21/127,577.19
  6. Step 6: Final answer
    x = 134,950.80

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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.