Home / 145,210.08-217,712.72-56,389.60

Finding the Fourth Proportional to 145,210.08, 217,712.72 and 56,389.60

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Solution

The fourth proportional to 145,210.08, 217,712.72 and 56,389.60 is: 84,544.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,210.08 : 217,712.72 = 56,389.60 : x
  2. Step 2: Convert to fraction form
    145,210.08/217,712.72 = 56,389.60/x
  3. Step 3: Cross multiply
    145,210.08x = 217,712.72 × 56,389.60
  4. Step 4: Simplify right side
    145,210.08x = 12,276,733,195.71
  5. Step 5: Solve for x
    x = 12,276,733,195.71/145,210.08
  6. Step 6: Final answer
    x = 84,544.63

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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.