Home / 202,931.46-280,045.74-112,291.25

Finding the Fourth Proportional to 202,931.46, 280,045.74 and 112,291.25

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Solution

The fourth proportional to 202,931.46, 280,045.74 and 112,291.25 is: 154,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,931.46 : 280,045.74 = 112,291.25 : x
  2. Step 2: Convert to fraction form
    202,931.46/280,045.74 = 112,291.25/x
  3. Step 3: Cross multiply
    202,931.46x = 280,045.74 × 112,291.25
  4. Step 4: Simplify right side
    202,931.46x = 31,446,684,801.55
  5. Step 5: Solve for x
    x = 31,446,684,801.55/202,931.46
  6. Step 6: Final answer
    x = 154,962.10

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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.