Home / 90,938.40-136,320.08-46,586.08

Finding the Fourth Proportional to 90,938.40, 136,320.08 and 46,586.08

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Solution

The fourth proportional to 90,938.40, 136,320.08 and 46,586.08 is: 69,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,938.40 : 136,320.08 = 46,586.08 : x
  2. Step 2: Convert to fraction form
    90,938.40/136,320.08 = 46,586.08/x
  3. Step 3: Cross multiply
    90,938.40x = 136,320.08 × 46,586.08
  4. Step 4: Simplify right side
    90,938.40x = 6,350,618,152.49
  5. Step 5: Solve for x
    x = 6,350,618,152.49/90,938.40
  6. Step 6: Final answer
    x = 69,834.29

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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.