Home / 218,934.95-302,130.77-118,332.95

Finding the Fourth Proportional to 218,934.95, 302,130.77 and 118,332.95

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Solution

The fourth proportional to 218,934.95, 302,130.77 and 118,332.95 is: 163,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,934.95 : 302,130.77 = 118,332.95 : x
  2. Step 2: Convert to fraction form
    218,934.95/302,130.77 = 118,332.95/x
  3. Step 3: Cross multiply
    218,934.95x = 302,130.77 × 118,332.95
  4. Step 4: Simplify right side
    218,934.95x = 35,752,023,197.55
  5. Step 5: Solve for x
    x = 35,752,023,197.55/218,934.95
  6. Step 6: Final answer
    x = 163,299.76

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1.5x scale

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.