Home / 211,501.18-291,870.03-116,007.20

Finding the Fourth Proportional to 211,501.18, 291,870.03 and 116,007.20

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Solution

The fourth proportional to 211,501.18, 291,870.03 and 116,007.20 is: 160,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,501.18 : 291,870.03 = 116,007.20 : x
  2. Step 2: Convert to fraction form
    211,501.18/291,870.03 = 116,007.20/x
  3. Step 3: Cross multiply
    211,501.18x = 291,870.03 × 116,007.20
  4. Step 4: Simplify right side
    211,501.18x = 33,859,023,484.87
  5. Step 5: Solve for x
    x = 33,859,023,484.87/211,501.18
  6. Step 6: Final answer
    x = 160,089.05

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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.