Home / 134,341.12-185,417.22-77,018.92

Finding the Fourth Proportional to 134,341.12, 185,417.22 and 77,018.92

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Solution

The fourth proportional to 134,341.12, 185,417.22 and 77,018.92 is: 106,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,341.12 : 185,417.22 = 77,018.92 : x
  2. Step 2: Convert to fraction form
    134,341.12/185,417.22 = 77,018.92/x
  3. Step 3: Cross multiply
    134,341.12x = 185,417.22 × 77,018.92
  4. Step 4: Simplify right side
    134,341.12x = 14,280,634,033.80
  5. Step 5: Solve for x
    x = 14,280,634,033.80/134,341.12
  6. Step 6: Final answer
    x = 106,301.29

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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.