Home / 134,030.64-201,129.05-77,897.18

Finding the Fourth Proportional to 134,030.64, 201,129.05 and 77,897.18

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Solution

The fourth proportional to 134,030.64, 201,129.05 and 77,897.18 is: 116,894.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,030.64 : 201,129.05 = 77,897.18 : x
  2. Step 2: Convert to fraction form
    134,030.64/201,129.05 = 77,897.18/x
  3. Step 3: Cross multiply
    134,030.64x = 201,129.05 × 77,897.18
  4. Step 4: Simplify right side
    134,030.64x = 15,667,386,006.72
  5. Step 5: Solve for x
    x = 15,667,386,006.72/134,030.64
  6. Step 6: Final answer
    x = 116,894.07

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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.