Home / 131,700.55-197,530.77-42,953.91

Finding the Fourth Proportional to 131,700.55, 197,530.77 and 42,953.91

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Solution

The fourth proportional to 131,700.55, 197,530.77 and 42,953.91 is: 64,424.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,700.55 : 197,530.77 = 42,953.91 : x
  2. Step 2: Convert to fraction form
    131,700.55/197,530.77 = 42,953.91/x
  3. Step 3: Cross multiply
    131,700.55x = 197,530.77 × 42,953.91
  4. Step 4: Simplify right side
    131,700.55x = 8,484,718,916.81
  5. Step 5: Solve for x
    x = 8,484,718,916.81/131,700.55
  6. Step 6: Final answer
    x = 64,424.32

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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.