Home / 97,720.07-134,853.66-53,008.07

Finding the Fourth Proportional to 97,720.07, 134,853.66 and 53,008.07

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Solution

The fourth proportional to 97,720.07, 134,853.66 and 53,008.07 is: 73,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,720.07 : 134,853.66 = 53,008.07 : x
  2. Step 2: Convert to fraction form
    97,720.07/134,853.66 = 53,008.07/x
  3. Step 3: Cross multiply
    97,720.07x = 134,853.66 × 53,008.07
  4. Step 4: Simplify right side
    97,720.07x = 7,148,331,574.77
  5. Step 5: Solve for x
    x = 7,148,331,574.77/97,720.07
  6. Step 6: Final answer
    x = 73,151.11

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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.