Home / 152,643.04-229,096.32-105,928.72

Finding the Fourth Proportional to 152,643.04, 229,096.32 and 105,928.72

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Solution

The fourth proportional to 152,643.04, 229,096.32 and 105,928.72 is: 158,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,643.04 : 229,096.32 = 105,928.72 : x
  2. Step 2: Convert to fraction form
    152,643.04/229,096.32 = 105,928.72/x
  3. Step 3: Cross multiply
    152,643.04x = 229,096.32 × 105,928.72
  4. Step 4: Simplify right side
    152,643.04x = 24,267,879,934.31
  5. Step 5: Solve for x
    x = 24,267,879,934.31/152,643.04
  6. Step 6: Final answer
    x = 158,984.52

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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.