Home / 131,852.64-181,913.04-74,484

Finding the Fourth Proportional to 131,852.64, 181,913.04 and 74,484

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Solution

The fourth proportional to 131,852.64, 181,913.04 and 74,484 is: 102,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,852.64 : 181,913.04 = 74,484 : x
  2. Step 2: Convert to fraction form
    131,852.64/181,913.04 = 74,484/x
  3. Step 3: Cross multiply
    131,852.64x = 181,913.04 × 74,484
  4. Step 4: Simplify right side
    131,852.64x = 13,549,610,871.36
  5. Step 5: Solve for x
    x = 13,549,610,871.36/131,852.64
  6. Step 6: Final answer
    x = 102,763.29

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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.