Home / 134,973.82-186,264.66-74,543.32

Finding the Fourth Proportional to 134,973.82, 186,264.66 and 74,543.32

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Solution

The fourth proportional to 134,973.82, 186,264.66 and 74,543.32 is: 102,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,973.82 : 186,264.66 = 74,543.32 : x
  2. Step 2: Convert to fraction form
    134,973.82/186,264.66 = 74,543.32/x
  3. Step 3: Cross multiply
    134,973.82x = 186,264.66 × 74,543.32
  4. Step 4: Simplify right side
    134,973.82x = 13,884,786,155.07
  5. Step 5: Solve for x
    x = 13,884,786,155.07/134,973.82
  6. Step 6: Final answer
    x = 102,870.22

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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.