Home / 145,501.04-218,163.72-56,737.52

Finding the Fourth Proportional to 145,501.04, 218,163.72 and 56,737.52

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Solution

The fourth proportional to 145,501.04, 218,163.72 and 56,737.52 is: 85,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,501.04 : 218,163.72 = 56,737.52 : x
  2. Step 2: Convert to fraction form
    145,501.04/218,163.72 = 56,737.52/x
  3. Step 3: Cross multiply
    145,501.04x = 218,163.72 × 56,737.52
  4. Step 4: Simplify right side
    145,501.04x = 12,378,068,426.77
  5. Step 5: Solve for x
    x = 12,378,068,426.77/145,501.04
  6. Step 6: Final answer
    x = 85,072.03

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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.