Home / 70,136.10-105,235.12-36,848.20

Finding the Fourth Proportional to 70,136.10, 105,235.12 and 36,848.20

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Solution

The fourth proportional to 70,136.10, 105,235.12 and 36,848.20 is: 55,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,136.10 : 105,235.12 = 36,848.20 : x
  2. Step 2: Convert to fraction form
    70,136.10/105,235.12 = 36,848.20/x
  3. Step 3: Cross multiply
    70,136.10x = 105,235.12 × 36,848.20
  4. Step 4: Simplify right side
    70,136.10x = 3,877,724,748.78
  5. Step 5: Solve for x
    x = 3,877,724,748.78/70,136.10
  6. Step 6: Final answer
    x = 55,288.57

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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.