Home / 133,314.18-183,973.92-72,885.51

Finding the Fourth Proportional to 133,314.18, 183,973.92 and 72,885.51

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Solution

The fourth proportional to 133,314.18, 183,973.92 and 72,885.51 is: 100,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,314.18 : 183,973.92 = 72,885.51 : x
  2. Step 2: Convert to fraction form
    133,314.18/183,973.92 = 72,885.51/x
  3. Step 3: Cross multiply
    133,314.18x = 183,973.92 × 72,885.51
  4. Step 4: Simplify right side
    133,314.18x = 13,409,032,985.90
  5. Step 5: Solve for x
    x = 13,409,032,985.90/133,314.18
  6. Step 6: Final answer
    x = 100,582.20

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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.