Home / 133,032.16-183,615.90-76,476.40

Finding the Fourth Proportional to 133,032.16, 183,615.90 and 76,476.40

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Solution

The fourth proportional to 133,032.16, 183,615.90 and 76,476.40 is: 105,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,032.16 : 183,615.90 = 76,476.40 : x
  2. Step 2: Convert to fraction form
    133,032.16/183,615.90 = 76,476.40/x
  3. Step 3: Cross multiply
    133,032.16x = 183,615.90 × 76,476.40
  4. Step 4: Simplify right side
    133,032.16x = 14,042,283,014.76
  5. Step 5: Solve for x
    x = 14,042,283,014.76/133,032.16
  6. Step 6: Final answer
    x = 105,555.55

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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.