Home / 104,257.64-143,875.02-56,510.60

Finding the Fourth Proportional to 104,257.64, 143,875.02 and 56,510.60

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Solution

The fourth proportional to 104,257.64, 143,875.02 and 56,510.60 is: 77,984.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,257.64 : 143,875.02 = 56,510.60 : x
  2. Step 2: Convert to fraction form
    104,257.64/143,875.02 = 56,510.60/x
  3. Step 3: Cross multiply
    104,257.64x = 143,875.02 × 56,510.60
  4. Step 4: Simplify right side
    104,257.64x = 8,130,463,705.21
  5. Step 5: Solve for x
    x = 8,130,463,705.21/104,257.64
  6. Step 6: Final answer
    x = 77,984.34

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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.