Home / 134,948.16-186,053.76-92,430.72

Finding the Fourth Proportional to 134,948.16, 186,053.76 and 92,430.72

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Solution

The fourth proportional to 134,948.16, 186,053.76 and 92,430.72 is: 127,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,948.16 : 186,053.76 = 92,430.72 : x
  2. Step 2: Convert to fraction form
    134,948.16/186,053.76 = 92,430.72/x
  3. Step 3: Cross multiply
    134,948.16x = 186,053.76 × 92,430.72
  4. Step 4: Simplify right side
    134,948.16x = 17,197,082,995.51
  5. Step 5: Solve for x
    x = 17,197,082,995.51/134,948.16
  6. Step 6: Final answer
    x = 127,434.73

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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.