Home / 209,538.30-314,303.67-76,417.23

Finding the Fourth Proportional to 209,538.30, 314,303.67 and 76,417.23

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Solution

The fourth proportional to 209,538.30, 314,303.67 and 76,417.23 is: 114,624.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,538.30 : 314,303.67 = 76,417.23 : x
  2. Step 2: Convert to fraction form
    209,538.30/314,303.67 = 76,417.23/x
  3. Step 3: Cross multiply
    209,538.30x = 314,303.67 × 76,417.23
  4. Step 4: Simplify right side
    209,538.30x = 24,018,215,840.23
  5. Step 5: Solve for x
    x = 24,018,215,840.23/209,538.30
  6. Step 6: Final answer
    x = 114,624.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.