Home / 133,176.90-183,777.08-72,746.66

Finding the Fourth Proportional to 133,176.90, 183,777.08 and 72,746.66

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Solution

The fourth proportional to 133,176.90, 183,777.08 and 72,746.66 is: 100,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,176.90 : 183,777.08 = 72,746.66 : x
  2. Step 2: Convert to fraction form
    133,176.90/183,777.08 = 72,746.66/x
  3. Step 3: Cross multiply
    133,176.90x = 183,777.08 × 72,746.66
  4. Step 4: Simplify right side
    133,176.90x = 13,369,168,754.55
  5. Step 5: Solve for x
    x = 13,369,168,754.55/133,176.90
  6. Step 6: Final answer
    x = 100,386.54

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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.