Home / 90,430.13-124,717.66-58,170.06

Finding the Fourth Proportional to 90,430.13, 124,717.66 and 58,170.06

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Solution

The fourth proportional to 90,430.13, 124,717.66 and 58,170.06 is: 80,225.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,430.13 : 124,717.66 = 58,170.06 : x
  2. Step 2: Convert to fraction form
    90,430.13/124,717.66 = 58,170.06/x
  3. Step 3: Cross multiply
    90,430.13x = 124,717.66 × 58,170.06
  4. Step 4: Simplify right side
    90,430.13x = 7,254,833,619.83
  5. Step 5: Solve for x
    x = 7,254,833,619.83/90,430.13
  6. Step 6: Final answer
    x = 80,225.84

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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.