Home / 94,721.98-130,707.02-52,277.78

Finding the Fourth Proportional to 94,721.98, 130,707.02 and 52,277.78

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Solution

The fourth proportional to 94,721.98, 130,707.02 and 52,277.78 is: 72,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,721.98 : 130,707.02 = 52,277.78 : x
  2. Step 2: Convert to fraction form
    94,721.98/130,707.02 = 52,277.78/x
  3. Step 3: Cross multiply
    94,721.98x = 130,707.02 × 52,277.78
  4. Step 4: Simplify right side
    94,721.98x = 6,833,072,313.17
  5. Step 5: Solve for x
    x = 6,833,072,313.17/94,721.98
  6. Step 6: Final answer
    x = 72,138.19

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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.