Home / 134,037.02-185,034.06-77,437.46

Finding the Fourth Proportional to 134,037.02, 185,034.06 and 77,437.46

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Solution

The fourth proportional to 134,037.02, 185,034.06 and 77,437.46 is: 106,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,037.02 : 185,034.06 = 77,437.46 : x
  2. Step 2: Convert to fraction form
    134,037.02/185,034.06 = 77,437.46/x
  3. Step 3: Cross multiply
    134,037.02x = 185,034.06 × 77,437.46
  4. Step 4: Simplify right side
    134,037.02x = 14,328,567,619.89
  5. Step 5: Solve for x
    x = 14,328,567,619.89/134,037.02
  6. Step 6: Final answer
    x = 106,900.08

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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.