Home / 90,876.50-136,342.55-46,534.63

Finding the Fourth Proportional to 90,876.50, 136,342.55 and 46,534.63

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Solution

The fourth proportional to 90,876.50, 136,342.55 and 46,534.63 is: 69,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876.50 : 136,342.55 = 46,534.63 : x
  2. Step 2: Convert to fraction form
    90,876.50/136,342.55 = 46,534.63/x
  3. Step 3: Cross multiply
    90,876.50x = 136,342.55 × 46,534.63
  4. Step 4: Simplify right side
    90,876.50x = 6,344,650,117.51
  5. Step 5: Solve for x
    x = 6,344,650,117.51/90,876.50
  6. Step 6: Final answer
    x = 69,816.18

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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.