Home / 210,350.12-290,283.14-114,856.89

Finding the Fourth Proportional to 210,350.12, 290,283.14 and 114,856.89

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Solution

The fourth proportional to 210,350.12, 290,283.14 and 114,856.89 is: 158,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,350.12 : 290,283.14 = 114,856.89 : x
  2. Step 2: Convert to fraction form
    210,350.12/290,283.14 = 114,856.89/x
  3. Step 3: Cross multiply
    210,350.12x = 290,283.14 × 114,856.89
  4. Step 4: Simplify right side
    210,350.12x = 33,341,017,878.42
  5. Step 5: Solve for x
    x = 33,341,017,878.42/210,350.12
  6. Step 6: Final answer
    x = 158,502.49

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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.