Home / 121,088.48-181,682.76-53,585.12

Finding the Fourth Proportional to 121,088.48, 181,682.76 and 53,585.12

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Solution

The fourth proportional to 121,088.48, 181,682.76 and 53,585.12 is: 80,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,088.48 : 181,682.76 = 53,585.12 : x
  2. Step 2: Convert to fraction form
    121,088.48/181,682.76 = 53,585.12/x
  3. Step 3: Cross multiply
    121,088.48x = 181,682.76 × 53,585.12
  4. Step 4: Simplify right side
    121,088.48x = 9,735,492,496.53
  5. Step 5: Solve for x
    x = 9,735,492,496.53/121,088.48
  6. Step 6: Final answer
    x = 80,399.82

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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.