Home / 134,063.98-185,008.96-72,810.38

Finding the Fourth Proportional to 134,063.98, 185,008.96 and 72,810.38

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Solution

The fourth proportional to 134,063.98, 185,008.96 and 72,810.38 is: 100,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,063.98 : 185,008.96 = 72,810.38 : x
  2. Step 2: Convert to fraction form
    134,063.98/185,008.96 = 72,810.38/x
  3. Step 3: Cross multiply
    134,063.98x = 185,008.96 × 72,810.38
  4. Step 4: Simplify right side
    134,063.98x = 13,470,572,681.00
  5. Step 5: Solve for x
    x = 13,470,572,681.00/134,063.98
  6. Step 6: Final answer
    x = 100,478.69

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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.