Home / 122,031.90-183,030.44-47,187.23

Finding the Fourth Proportional to 122,031.90, 183,030.44 and 47,187.23

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Solution

The fourth proportional to 122,031.90, 183,030.44 and 47,187.23 is: 70,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,031.90 : 183,030.44 = 47,187.23 : x
  2. Step 2: Convert to fraction form
    122,031.90/183,030.44 = 47,187.23/x
  3. Step 3: Cross multiply
    122,031.90x = 183,030.44 × 47,187.23
  4. Step 4: Simplify right side
    122,031.90x = 8,636,698,318.19
  5. Step 5: Solve for x
    x = 8,636,698,318.19/122,031.90
  6. Step 6: Final answer
    x = 70,774.10

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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.