Home / 133,127.59-183,709.23-72,686.59

Finding the Fourth Proportional to 133,127.59, 183,709.23 and 72,686.59

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Solution

The fourth proportional to 133,127.59, 183,709.23 and 72,686.59 is: 100,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,127.59 : 183,709.23 = 72,686.59 : x
  2. Step 2: Convert to fraction form
    133,127.59/183,709.23 = 72,686.59/x
  3. Step 3: Cross multiply
    133,127.59x = 183,709.23 × 72,686.59
  4. Step 4: Simplify right side
    133,127.59x = 13,353,197,480.23
  5. Step 5: Solve for x
    x = 13,353,197,480.23/133,127.59
  6. Step 6: Final answer
    x = 100,303.76

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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.