Home / 104,430.06-144,116.08-56,683.29

Finding the Fourth Proportional to 104,430.06, 144,116.08 and 56,683.29

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Solution

The fourth proportional to 104,430.06, 144,116.08 and 56,683.29 is: 78,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.06 : 144,116.08 = 56,683.29 : x
  2. Step 2: Convert to fraction form
    104,430.06/144,116.08 = 56,683.29/x
  3. Step 3: Cross multiply
    104,430.06x = 144,116.08 × 56,683.29
  4. Step 4: Simplify right side
    104,430.06x = 8,168,973,955.03
  5. Step 5: Solve for x
    x = 8,168,973,955.03/104,430.06
  6. Step 6: Final answer
    x = 78,224.35

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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.