Home / 118,381.23-163,339.20-70,625.25

Finding the Fourth Proportional to 118,381.23, 163,339.20 and 70,625.25

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Solution

The fourth proportional to 118,381.23, 163,339.20 and 70,625.25 is: 97,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,381.23 : 163,339.20 = 70,625.25 : x
  2. Step 2: Convert to fraction form
    118,381.23/163,339.20 = 70,625.25/x
  3. Step 3: Cross multiply
    118,381.23x = 163,339.20 × 70,625.25
  4. Step 4: Simplify right side
    118,381.23x = 11,535,871,834.80
  5. Step 5: Solve for x
    x = 11,535,871,834.80/118,381.23
  6. Step 6: Final answer
    x = 97,446.80

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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.