Home / 124,947.78-172,248.57-89,075.52

Finding the Fourth Proportional to 124,947.78, 172,248.57 and 89,075.52

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Solution

The fourth proportional to 124,947.78, 172,248.57 and 89,075.52 is: 122,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,947.78 : 172,248.57 = 89,075.52 : x
  2. Step 2: Convert to fraction form
    124,947.78/172,248.57 = 89,075.52/x
  3. Step 3: Cross multiply
    124,947.78x = 172,248.57 × 89,075.52
  4. Step 4: Simplify right side
    124,947.78x = 15,343,130,942.01
  5. Step 5: Solve for x
    x = 15,343,130,942.01/124,947.78
  6. Step 6: Final answer
    x = 122,796.35

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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.