Home / 210,562.18-290,575.95-115,068.89

Finding the Fourth Proportional to 210,562.18, 290,575.95 and 115,068.89

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Solution

The fourth proportional to 210,562.18, 290,575.95 and 115,068.89 is: 158,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,562.18 : 290,575.95 = 115,068.89 : x
  2. Step 2: Convert to fraction form
    210,562.18/290,575.95 = 115,068.89/x
  3. Step 3: Cross multiply
    210,562.18x = 290,575.95 × 115,068.89
  4. Step 4: Simplify right side
    210,562.18x = 33,436,250,142.81
  5. Step 5: Solve for x
    x = 33,436,250,142.81/210,562.18
  6. Step 6: Final answer
    x = 158,795.14

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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.