Home / 115,153.52-172,599.24-70,075.46

Finding the Fourth Proportional to 115,153.52, 172,599.24 and 70,075.46

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Solution

The fourth proportional to 115,153.52, 172,599.24 and 70,075.46 is: 105,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,153.52 : 172,599.24 = 70,075.46 : x
  2. Step 2: Convert to fraction form
    115,153.52/172,599.24 = 70,075.46/x
  3. Step 3: Cross multiply
    115,153.52x = 172,599.24 × 70,075.46
  4. Step 4: Simplify right side
    115,153.52x = 12,094,970,275.65
  5. Step 5: Solve for x
    x = 12,094,970,275.65/115,153.52
  6. Step 6: Final answer
    x = 105,033.44

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1.5x scale

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.