Home / 180,213.46-248,681.34-99,641.98

Finding the Fourth Proportional to 180,213.46, 248,681.34 and 99,641.98

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Solution

The fourth proportional to 180,213.46, 248,681.34 and 99,641.98 is: 137,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,213.46 : 248,681.34 = 99,641.98 : x
  2. Step 2: Convert to fraction form
    180,213.46/248,681.34 = 99,641.98/x
  3. Step 3: Cross multiply
    180,213.46x = 248,681.34 × 99,641.98
  4. Step 4: Simplify right side
    180,213.46x = 24,779,101,106.65
  5. Step 5: Solve for x
    x = 24,779,101,106.65/180,213.46
  6. Step 6: Final answer
    x = 137,498.61

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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.