Home / 190,079.28-262,281.18-115,448.91

Finding the Fourth Proportional to 190,079.28, 262,281.18 and 115,448.91

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Solution

The fourth proportional to 190,079.28, 262,281.18 and 115,448.91 is: 159,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,079.28 : 262,281.18 = 115,448.91 : x
  2. Step 2: Convert to fraction form
    190,079.28/262,281.18 = 115,448.91/x
  3. Step 3: Cross multiply
    190,079.28x = 262,281.18 × 115,448.91
  4. Step 4: Simplify right side
    190,079.28x = 30,280,075,144.49
  5. Step 5: Solve for x
    x = 30,280,075,144.49/190,079.28
  6. Step 6: Final answer
    x = 159,302.35

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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.