Home / 210,708.56-290,754-124,670.18

Finding the Fourth Proportional to 210,708.56, 290,754 and 124,670.18

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Solution

The fourth proportional to 210,708.56, 290,754 and 124,670.18 is: 172,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,708.56 : 290,754 = 124,670.18 : x
  2. Step 2: Convert to fraction form
    210,708.56/290,754 = 124,670.18/x
  3. Step 3: Cross multiply
    210,708.56x = 290,754 × 124,670.18
  4. Step 4: Simplify right side
    210,708.56x = 36,248,353,515.72
  5. Step 5: Solve for x
    x = 36,248,353,515.72/210,708.56
  6. Step 6: Final answer
    x = 172,030.76

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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.