Home / 134,332.84-185,503.80-86,668.12

Finding the Fourth Proportional to 134,332.84, 185,503.80 and 86,668.12

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Solution

The fourth proportional to 134,332.84, 185,503.80 and 86,668.12 is: 119,682.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,332.84 : 185,503.80 = 86,668.12 : x
  2. Step 2: Convert to fraction form
    134,332.84/185,503.80 = 86,668.12/x
  3. Step 3: Cross multiply
    134,332.84x = 185,503.80 × 86,668.12
  4. Step 4: Simplify right side
    134,332.84x = 16,077,265,598.86
  5. Step 5: Solve for x
    x = 16,077,265,598.86/134,332.84
  6. Step 6: Final answer
    x = 119,682.32

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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.