Home / 255,322.13-382,948.71-105,541.63

Finding the Fourth Proportional to 255,322.13, 382,948.71 and 105,541.63

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Solution

The fourth proportional to 255,322.13, 382,948.71 and 105,541.63 is: 158,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,322.13 : 382,948.71 = 105,541.63 : x
  2. Step 2: Convert to fraction form
    255,322.13/382,948.71 = 105,541.63/x
  3. Step 3: Cross multiply
    255,322.13x = 382,948.71 × 105,541.63
  4. Step 4: Simplify right side
    255,322.13x = 40,417,032,454.40
  5. Step 5: Solve for x
    x = 40,417,032,454.40/255,322.13
  6. Step 6: Final answer
    x = 158,298.20

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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.