Home / 215,328.65-297,163.29-124,688.57

Finding the Fourth Proportional to 215,328.65, 297,163.29 and 124,688.57

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Solution

The fourth proportional to 215,328.65, 297,163.29 and 124,688.57 is: 172,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,328.65 : 297,163.29 = 124,688.57 : x
  2. Step 2: Convert to fraction form
    215,328.65/297,163.29 = 124,688.57/x
  3. Step 3: Cross multiply
    215,328.65x = 297,163.29 × 124,688.57
  4. Step 4: Simplify right side
    215,328.65x = 37,052,864,200.78
  5. Step 5: Solve for x
    x = 37,052,864,200.78/215,328.65
  6. Step 6: Final answer
    x = 172,075.87

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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.