Home / 210,303.57-290,184.68-124,250.66

Finding the Fourth Proportional to 210,303.57, 290,184.68 and 124,250.66

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Solution

The fourth proportional to 210,303.57, 290,184.68 and 124,250.66 is: 171,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,303.57 : 290,184.68 = 124,250.66 : x
  2. Step 2: Convert to fraction form
    210,303.57/290,184.68 = 124,250.66/x
  3. Step 3: Cross multiply
    210,303.57x = 290,184.68 × 124,250.66
  4. Step 4: Simplify right side
    210,303.57x = 36,055,635,939.71
  5. Step 5: Solve for x
    x = 36,055,635,939.71/210,303.57
  6. Step 6: Final answer
    x = 171,445.67

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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.