Home / 121,564.04-182,364.24-42,664.40

Finding the Fourth Proportional to 121,564.04, 182,364.24 and 42,664.40

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Solution

The fourth proportional to 121,564.04, 182,364.24 and 42,664.40 is: 64,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,564.04 : 182,364.24 = 42,664.40 : x
  2. Step 2: Convert to fraction form
    121,564.04/182,364.24 = 42,664.40/x
  3. Step 3: Cross multiply
    121,564.04x = 182,364.24 × 42,664.40
  4. Step 4: Simplify right side
    121,564.04x = 7,780,460,881.06
  5. Step 5: Solve for x
    x = 7,780,460,881.06/121,564.04
  6. Step 6: Final answer
    x = 64,002.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.