Home / 115,501.40-173,381.70-89,322.20

Finding the Fourth Proportional to 115,501.40, 173,381.70 and 89,322.20

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Solution

The fourth proportional to 115,501.40, 173,381.70 and 89,322.20 is: 134,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,501.40 : 173,381.70 = 89,322.20 : x
  2. Step 2: Convert to fraction form
    115,501.40/173,381.70 = 89,322.20/x
  3. Step 3: Cross multiply
    115,501.40x = 173,381.70 × 89,322.20
  4. Step 4: Simplify right side
    115,501.40x = 15,486,834,883.74
  5. Step 5: Solve for x
    x = 15,486,834,883.74/115,501.40
  6. Step 6: Final answer
    x = 134,083.53

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1.5x scale

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.