Home / 90,646.37-125,051.74-60,402.18

Finding the Fourth Proportional to 90,646.37, 125,051.74 and 60,402.18

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Solution

The fourth proportional to 90,646.37, 125,051.74 and 60,402.18 is: 83,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,646.37 : 125,051.74 = 60,402.18 : x
  2. Step 2: Convert to fraction form
    90,646.37/125,051.74 = 60,402.18/x
  3. Step 3: Cross multiply
    90,646.37x = 125,051.74 × 60,402.18
  4. Step 4: Simplify right side
    90,646.37x = 7,553,397,557.79
  5. Step 5: Solve for x
    x = 7,553,397,557.79/90,646.37
  6. Step 6: Final answer
    x = 83,328.19

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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.