Home / 211,637.34-317,436.57-71,397.18

Finding the Fourth Proportional to 211,637.34, 317,436.57 and 71,397.18

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Solution

The fourth proportional to 211,637.34, 317,436.57 and 71,397.18 is: 107,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,637.34 : 317,436.57 = 71,397.18 : x
  2. Step 2: Convert to fraction form
    211,637.34/317,436.57 = 71,397.18/x
  3. Step 3: Cross multiply
    211,637.34x = 317,436.57 × 71,397.18
  4. Step 4: Simplify right side
    211,637.34x = 22,664,075,926.87
  5. Step 5: Solve for x
    x = 22,664,075,926.87/211,637.34
  6. Step 6: Final answer
    x = 107,089.21

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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.