Home / 212,038.98-292,656.33-125,981.40

Finding the Fourth Proportional to 212,038.98, 292,656.33 and 125,981.40

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Solution

The fourth proportional to 212,038.98, 292,656.33 and 125,981.40 is: 173,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,038.98 : 292,656.33 = 125,981.40 : x
  2. Step 2: Convert to fraction form
    212,038.98/292,656.33 = 125,981.40/x
  3. Step 3: Cross multiply
    212,038.98x = 292,656.33 × 125,981.40
  4. Step 4: Simplify right side
    212,038.98x = 36,869,254,172.26
  5. Step 5: Solve for x
    x = 36,869,254,172.26/212,038.98
  6. Step 6: Final answer
    x = 173,879.61

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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.