Home / 134,063.36-185,030.08-77,507.52

Finding the Fourth Proportional to 134,063.36, 185,030.08 and 77,507.52

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Solution

The fourth proportional to 134,063.36, 185,030.08 and 77,507.52 is: 106,973.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,063.36 : 185,030.08 = 77,507.52 : x
  2. Step 2: Convert to fraction form
    134,063.36/185,030.08 = 77,507.52/x
  3. Step 3: Cross multiply
    134,063.36x = 185,030.08 × 77,507.52
  4. Step 4: Simplify right side
    134,063.36x = 14,341,222,626.20
  5. Step 5: Solve for x
    x = 14,341,222,626.20/134,063.36
  6. Step 6: Final answer
    x = 106,973.47

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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.