Home / 212,526.10-293,206.80-121,849.84

Finding the Fourth Proportional to 212,526.10, 293,206.80 and 121,849.84

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Solution

The fourth proportional to 212,526.10, 293,206.80 and 121,849.84 is: 168,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,526.10 : 293,206.80 = 121,849.84 : x
  2. Step 2: Convert to fraction form
    212,526.10/293,206.80 = 121,849.84/x
  3. Step 3: Cross multiply
    212,526.10x = 293,206.80 × 121,849.84
  4. Step 4: Simplify right side
    212,526.10x = 35,727,201,666.91
  5. Step 5: Solve for x
    x = 35,727,201,666.91/212,526.10
  6. Step 6: Final answer
    x = 168,107.36

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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.