Home / 110,269.60-152,378.91-90,119.13

Finding the Fourth Proportional to 110,269.60, 152,378.91 and 90,119.13

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Solution

The fourth proportional to 110,269.60, 152,378.91 and 90,119.13 is: 124,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,269.60 : 152,378.91 = 90,119.13 : x
  2. Step 2: Convert to fraction form
    110,269.60/152,378.91 = 90,119.13/x
  3. Step 3: Cross multiply
    110,269.60x = 152,378.91 × 90,119.13
  4. Step 4: Simplify right side
    110,269.60x = 13,732,254,228.13
  5. Step 5: Solve for x
    x = 13,732,254,228.13/110,269.60
  6. Step 6: Final answer
    x = 124,533.46

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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.