Home / 212,563.02-293,315.26-130,878.30

Finding the Fourth Proportional to 212,563.02, 293,315.26 and 130,878.30

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Solution

The fourth proportional to 212,563.02, 293,315.26 and 130,878.30 is: 180,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,563.02 : 293,315.26 = 130,878.30 : x
  2. Step 2: Convert to fraction form
    212,563.02/293,315.26 = 130,878.30/x
  3. Step 3: Cross multiply
    212,563.02x = 293,315.26 × 130,878.30
  4. Step 4: Simplify right side
    212,563.02x = 38,388,602,592.86
  5. Step 5: Solve for x
    x = 38,388,602,592.86/212,563.02
  6. Step 6: Final answer
    x = 180,598.69

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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.