Home / 134,527.50-185,647.95-77,971.68

Finding the Fourth Proportional to 134,527.50, 185,647.95 and 77,971.68

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Solution

The fourth proportional to 134,527.50, 185,647.95 and 77,971.68 is: 107,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,527.50 : 185,647.95 = 77,971.68 : x
  2. Step 2: Convert to fraction form
    134,527.50/185,647.95 = 77,971.68/x
  3. Step 3: Cross multiply
    134,527.50x = 185,647.95 × 77,971.68
  4. Step 4: Simplify right side
    134,527.50x = 14,475,282,550.06
  5. Step 5: Solve for x
    x = 14,475,282,550.06/134,527.50
  6. Step 6: Final answer
    x = 107,600.92

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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.