Home / 134,931.23-186,127.04-87,184.58

Finding the Fourth Proportional to 134,931.23, 186,127.04 and 87,184.58

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Solution

The fourth proportional to 134,931.23, 186,127.04 and 87,184.58 is: 120,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,931.23 : 186,127.04 = 87,184.58 : x
  2. Step 2: Convert to fraction form
    134,931.23/186,127.04 = 87,184.58/x
  3. Step 3: Cross multiply
    134,931.23x = 186,127.04 × 87,184.58
  4. Step 4: Simplify right side
    134,931.23x = 16,227,407,467.40
  5. Step 5: Solve for x
    x = 16,227,407,467.40/134,931.23
  6. Step 6: Final answer
    x = 120,264.28

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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.