Home / 212,561.02-293,312.50-130,876.30

Finding the Fourth Proportional to 212,561.02, 293,312.50 and 130,876.30

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Solution

The fourth proportional to 212,561.02, 293,312.50 and 130,876.30 is: 180,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,561.02 : 293,312.50 = 130,876.30 : x
  2. Step 2: Convert to fraction form
    212,561.02/293,312.50 = 130,876.30/x
  3. Step 3: Cross multiply
    212,561.02x = 293,312.50 × 130,876.30
  4. Step 4: Simplify right side
    212,561.02x = 38,387,653,683.28
  5. Step 5: Solve for x
    x = 38,387,653,683.28/212,561.02
  6. Step 6: Final answer
    x = 180,595.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.