Home / 134,386.15-185,454.29-77,024.24

Finding the Fourth Proportional to 134,386.15, 185,454.29 and 77,024.24

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Solution

The fourth proportional to 134,386.15, 185,454.29 and 77,024.24 is: 106,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,386.15 : 185,454.29 = 77,024.24 : x
  2. Step 2: Convert to fraction form
    134,386.15/185,454.29 = 77,024.24/x
  3. Step 3: Cross multiply
    134,386.15x = 185,454.29 × 77,024.24
  4. Step 4: Simplify right side
    134,386.15x = 14,284,475,741.99
  5. Step 5: Solve for x
    x = 14,284,475,741.99/134,386.15
  6. Step 6: Final answer
    x = 106,294.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.